#include<stdio.h>
int main()
{
	char s=getchar();
	if(s>64&&s<91)
	{
		while(s!='\n')
		{
			s=(s+2-'A')%26+'A';
			putchar(s);
			s=getchar();
		}
	}
	else if(s>96&&s<123)
	{
		while(s!='\n')
		{
			s=(s+2-'a')%26+'a';
			putchar(s);
			s=getchar();
		}
	}
	else
	{
		while(s!='\n')
		{
			s=(s+1-'0')%10+'0';
			putchar(s);
			s=getchar();
		}
	}
	printf("\n");
	return 0;
}
